PDF malware analysis — malicious · 2248378cdb3c02c6

MALICIOUS

PDF

71.9 KB Created: 2021-03-04 13:55:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26

MD5: 1c6bc4174d6d0b660f80b3cae077eaef SHA-1: d23a961a51c96ce4d6e53c12998bb3886693be99 SHA-256: 2248378cdb3c02c646e58fd6bee26476d8e2570950242c5f52a71ebd6f422d2b

186 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains a large number of external links, many pointing to disposable domains and hosting services, indicating a link farm or SEO spam operation. The document body, though partially corrupted, contains keywords related to a motorcycle sale, suggesting a lure to attract users to malicious websites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution via these external links.

Machine Learning

Nyx PDF Classifier malicious score 0.9992

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://botokaw.ru/wix?keyword=honda+mb5+motorcycle+for+sale PDF link annotation
- http://itawegan.fun/3347350567lwnsk.pdfIn PDF document text
- https://cdn.sqhk.co/duxadikoti/ihIEjbz/top_up_globe_prepaid_wifi.pdfIn PDF document text
- http://microbladingcertificationdfw.org/noweludepovabujugizewx43x5.pdfIn PDF document text
- http://idealicaufficiale.website/fofolirumatiziip8uz.pdfIn PDF document text
- https://notuvovezed.weebly.com/uploads/1/3/1/3/131382721/42eba527be92c8c.pdfIn PDF document text
- http://vehicleinsusa.com/50313467606dt0av.pdfIn PDF document text
- https://gubijebe.weebly.com/uploads/1/3/1/4/131483267/7e5ef4b521.pdfIn PDF document text
- https://xaxexuwolak.weebly.com/uploads/1/3/5/9/135978614/zulidemeje.pdfIn PDF document text
- https://cdn.sqhk.co/buzaxelubot/dKYA9Ug/dmo_deejay_youtube_earnings.pdfIn PDF document text
- http://boost-shop.xyz/matthieu_ricard_altruismexder5.pdfIn PDF document text
- http://greatholl.com/instant_academic_skillsvt0p8.pdfIn PDF document text
- https://cdn.sqhk.co/luzigagoguna/i7hejhF/52705268989.pdfIn PDF document text
- http://itdiscounts.info/75506285468emxos.pdfIn PDF document text
- https://cdn.sqhk.co/jijipidub/sii1hbq/hide_and_seek_japanese_voice_acting_practice_lyrics.pdfIn PDF document text
- https://cdn.sqhk.co/lomasamube/icMlgcq/64929566350.pdfIn PDF document text
- https://cdn.sqhk.co/rogolafu/bjccjck/samurai_ii_card.pdfIn PDF document text
- https://cdn.sqhk.co/goworonol/Bn0jitJ/85374000860.pdfIn PDF document text
- https://cdn.sqhk.co/vugasoveg/UhiljbA/derailed_2005_movie_trailer.pdfIn PDF document text
- https://cdn.sqhk.co/zaviresodew/Khfjggg/the_sims_freeplay_download_ios.pdfIn PDF document text
- https://jowovodepavilim.weebly.com/uploads/1/3/4/6/134651336/maxuf.pdfIn PDF document text
- https://cdn.sqhk.co/maxanogefo/2xCgiqV/study_tips_for_college_students_in_kannada.pdfIn PDF document text
- http://begdas.space/what_do_the_different_colours_of_period_blood_meant1h35.pdfIn PDF document text
- http://copriyghtconfirmed.com/kinds_of_adjectives_worksheets_for_grade_74yalj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000dd18.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDD18	5492 bytes
SHA-256: `4131e8475a2f18061852d0b3a540514d43d0f866920363ea7ae5e133c7629f9c`
`font_01_sfnt_off0000efba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEFBA	9996 bytes
SHA-256: `aea7697220eb7ecc84e847e2a5309bf84270fbedcb4fbe4d038f482a686e5c43`

Open this report in the interactive analyzer, or submit your own file for analysis.